As your mother is 80 years old then from a diabetes point of view we would not want her to have very tight control of her glucose levels as this would pose a risk in terms of hypoglycemia(too low glucose levels). On the other hand we don’t want her levels to be too high. Taking this into account there is no reason why if her levels are too high(running more than 10), that she can’t be on medication. There are tablets that she could use and these could be supplied by the state hospital. If glucose levels go high, then besides for medication then all you can do is to increase water intake, although again in view of her age you don’t want to overhydrate her. What I would suggest is seeing a dietician to optimize diet, and then monitoring glucose levels by checking a morning reading, and I think that a level of about 6-8 is reasonable.If levels are higher, then to see the doctor regarding medication.
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